On Windows 10 and 11, you can use these steps to fix a second monitor not detected on your PC, and here's how.

Here is how to connect a Lenovo ThinkVision monitor to a Windows laptop and experience two screens. Check ports on your laptop & monitor Make the connection Connecting to dual ThinkVision via USB-C ...

The ability to have two or more external monitors connected to your Mac in Extended Mode is a liberating screen experience, but leads to frustration when each still operates like an independent ...